Texas Instruments High-Performance Analog Voltage Regulators - DC DC Switching Regulators LMR51430XDDCR

The LMR51430XDDCR is a synchronous buck converter designed for a wide input voltage range of 4.5 V to 36 V, capable of delivering up to 3 A of continuous output current. It features fixed switching frequency options of 500 kHz and 1.1 MHz, which allows for the use of smaller inductors, optimizing the solution size. The device includes internal compensation and synchronous rectification, simplifying the design process and minimizing the need for external components. This regulator is equipped with several protection features, including cycle-by-cycle current limiting, hiccup mode short-circuit protection, and thermal shutdown to prevent damage from excessive power dissipation. The junction temperature range is specified from -40¬8C to 150¬8C, making it suitable for rugged industrial applications. The LMR51430XDDCR is housed in a compact 6-pin SOT-23 package and is pin-to-pin compatible with other models in the series, such as the TPS54202 and TPS54302. Its applications include appliances, building automation, motor drives, and general-purpose power supplies.